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x in (-oo:+oo)
x*((33-x)/5) = 2 // - 2
x*((33-x)/5)-2 = 0
(x*(33-x))/5-2 = 0
(x*(33-x))/5+(-2*5)/5 = 0
x*(33-x)-2*5 = 0
33*x-x^2-10 = 0
33*x-x^2-10 = 0
33*x-x^2-10 = 0
DELTA = 33^2-(-10*(-1)*4)
DELTA = 1049
DELTA > 0
x = (1049^(1/2)-33)/(-1*2) or x = (-1049^(1/2)-33)/(-1*2)
x = (1049^(1/2)-33)/(-2) or x = (1049^(1/2)+33)/2
(x-((1049^(1/2)-33)/(-2)))*(x-((1049^(1/2)+33)/2)) = 0
((x-((1049^(1/2)-33)/(-2)))*(x-((1049^(1/2)+33)/2)))/5 = 0
((x-((1049^(1/2)-33)/(-2)))*(x-((1049^(1/2)+33)/2)))/5 = 0 // * 5
(x-((1049^(1/2)-33)/(-2)))*(x-((1049^(1/2)+33)/2)) = 0
( x-((1049^(1/2)+33)/2) )
x-((1049^(1/2)+33)/2) = 0 // + (1049^(1/2)+33)/2
x = (1049^(1/2)+33)/2
( x-((1049^(1/2)-33)/(-2)) )
x-((1049^(1/2)-33)/(-2)) = 0 // + (1049^(1/2)-33)/(-2)
x = (1049^(1/2)-33)/(-2)
x in { (1049^(1/2)+33)/2, (1049^(1/2)-33)/(-2) }
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